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# Senior Software Engineer, Fullstack

- **Company:** Oscar Health Insurance
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, JavaScript (Programming Language), Data Structures, Fault Tolerance, Python (Programming Language), Software Engineering, TypeScript, Golang
- **Published:** August 7, 2026
- **Apply:** https://us.experteer.com/career/view-jobs/senior-software-engineer-fullstack-new-york-ny-usa-58832095

## About the Role

senior with minimal guidance * Independent contributor to the team and work across the codebase with guidance from owners * Maintain steady, well-paced progress with limited need for frequent senior feedback * Ensure compliance with applicable laws and regulations * Other duties as assigned Tasks * 5+ years of professional software engineering experience with various technologies * Proven ability to propose, experiment with, and iterate on new technologies or data structures * Experience building fault-tolerant, scalable software systems * Strong understanding of CS concepts and practical application within a team * Consistently writes stable, correct, maintainable code with minimal oversight * Bonus: experience with Typescript, Javascript, Python, and/or Golang; consumer-facing products at scale; health tech experience Key requirements * medical, dental, and vision benefits * 11 paid holidays * paid sick time * paid parental leave * 401(k) plan participation * life and disability a
consumer-facing wellness time and reimbursements

## Description

Experteer Overview In this role, you will build reliable, maintainable applications and interfaces that simplify interactions with the health care system for members and providers. As a senior fullstack engineer, you'll work on a broad set of projects with cross-functional partners to impact millions of members. You will lead technical initiatives, drive scalable solutions, and mentor through your hands-on contributions. This is a mission-driven opportunity to shape Oscar's health-tech platform within a collaborative engineering team. Compensation / Benefits * Become the expert on your team's business and technical domains * Lead planning, execution and release of complex technical projects * Collaborate with product managers and designers to solve challenging problems * Improve technology and apply best practices with other engineers * Implement step-wise migrations of existing services and applications * Own small to medium features or infrastructure projects from design to completion with minimal guidance * Independent contributor to the team and work across the codebase with guidance from owners * Maintain steady, well-paced progress with limited need for frequent senior feedback * Ensure compliance with applicable laws and regulations * Other duties as assigned Tasks * 5+ years of professional software engineering experience with various technologies * Proven ability to propose, experiment with, and iterate on new technologies or data structures * Experience building fault-tolerant, scalable software systems * Strong understanding of CS concepts and practical application within a team * Consistently writes stable, correct, maintainable code with minimal oversight * Bonus: experience with Typescript, Javascript, Python, and/or Golang; consumer-facing products at scale; health tech experience Key requirements * medical, dental, and vision benefits * 11 paid holidays * paid sick time * paid parental leave * 401(k) plan participation * life and disability insurance','paid wellness time and reimbursements


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